Home / 396,759.44-547,527.89-215,471.42

Finding the Fourth Proportional to 396,759.44, 547,527.89 and 215,471.42

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Solution

The fourth proportional to 396,759.44, 547,527.89 and 215,471.42 is: 297,350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,759.44 : 547,527.89 = 215,471.42 : x
  2. Step 2: Convert to fraction form
    396,759.44/547,527.89 = 215,471.42/x
  3. Step 3: Cross multiply
    396,759.44x = 547,527.89 × 215,471.42
  4. Step 4: Simplify right side
    396,759.44x = 117,976,611,802.17
  5. Step 5: Solve for x
    x = 117,976,611,802.17/396,759.44
  6. Step 6: Final answer
    x = 297,350.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.